At 2028 hours, Rescue Local 0503 was dispatched for a motor vehicle crash involving a commercial vehicle. Engine 52, Engine 55, Special unit 59 responded on the run, as well as Rescue 6 who was staffed in quarters. Units arrived to find a diesel fuel truck which had rolled over and had an active fuel leak. The driver of the vehicle was evaluated by PM600, and was ultimately flown by Maryland State Police Trooper 6 to a trauma center. The HazMat trailer from Station 1 was requested to assist with mitigation of the fuel and MDE was notified of the incident. Company 5 operated for about two hours.